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JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Published by Universitas Lampung
ISSN : 14117525     EISSN : 24610399     DOI : -
Core Subject : Agriculture,
Jurnal Hama dan Penyakit Tropika (JHPT Tropika) publishes articles in plant pests, plant pathogens, plant damage caused by those pests and pathogens and or their management in tropical areas. In addition to basic and applied research papers, JHPT Tropika publishes short communication that have not been published. Before being accepted for publication, all manuscripts must be peer reviewed. The journal is published sixmonthly in March and September.
Arjuna Subject : -
Articles 521 Documents
THE IMPACT OF SOYBEAN AND CORN INTERCROPPING SYSTEM AND SOIL FERTILITY MANAGEMENT ON SOYBEAN APHID POPULATIONS APHIS GLYCINES (HEMIPTERA: APHIDIDAE) AND SOYBEAN GROWTH PERFORMANCE Rosma Hasibuan; Jamalam Lumbanraja
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 12 No. 1 (2012): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (236.573 KB) | DOI: 10.23960/j.hptt.11223-35

Abstract

Agricultural management cropping systems play an important role in affecting a crop plant’s ability to tolerate or resist insect pests. Field studies were conducted to examine the effect of two strategies management systems: fertilizer treatment and intercropping soybean with corn on soybean aphid (Aphis glycines Matsumura) population and soybean growth and yield parameters. The intercropping treatments were: soybean alone; 2:1 soybean/corn intercrop; and 3:1 soybean/corn intercrop. While the soil fertility treatments were the combination of NPK (urea 100 kg ha-1 + SP-36 200 kg ha-1 + KCl 200 kg ha-1) levels, dolomite (4 ton ha-1), compost (10 ton ha-1), and chicken manure (10 ton ha-1). The results of the first study showed that the intercropping soybean with corn significantly reduced the population density of soybean aphids. However, there were no significant effects of intercropping systems on soybean growth (plant height) and yield (number seed per pod and thousand seed weight) performances except on the number of soybean pods per plant. Meanwhile, the result of the second study indicated that soil fertilizer treatments had a significant effect on the soybean plant characteristics: leaf numbers; pod numbers; and plant height. Combining intercropping methods and soil fertilizer management offer an opportunity to protect the soybean plants by natural and sustainable pest management.
PENGARUH LAMA PERIODE KERING DAN INTENSITAS CURAH HUJAN TERHADAP PENETASAN BELALANG KEMBARA (LOCUSTA MIGRATORIA MANILENSIS MEYEN) Hamim Sudarsono .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 8 No. 2 (2008): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (56.742 KB) | DOI: 10.23960/j.hptt.28117-122

Abstract

Effect of Dry Period and Rainfall Intensity on Emergence of the Migratory Locust (Locusta migratoria manilensis Meyen). Dry period and rainfall intensity were simulated experimentally to determine their effects on nymph emergence of the migratory locust (Locusta migratoria manilensis Meyen) (Orthoptera: Acrididae). The experiment was conducted in a factorial set up with two factors, i.e. dry periods (1, 2, 4, 8, and 12 week interval of watering) and rainfall intensity (80, 140, 200, and 260 mm/month). Locust nymphal emergence and time required to emerge after the watering were recorded and analyzed. Results of the experiment indicated that dry periods and rainfall levels affected nymphal emergence of the migratory locust. Interaction between dry periods and rainfall levels, however, were statistically not significant (F-value = 0,69 and P-value = 0,7526). Nymphal emergences of L. m. manilensis tended to be higher on soils that were watered less frequently. Similarly, locust emergences were also higher for the soil with lower rainfall intensity (received less amount of watering). At the 80 mm/month rainfall level, 20 – 105,5 days period (egg incubation period) were required before the locust emergence. Incubation period of the eggs was significantly higher as the breeding media (soil) were watered less frequently. On the other hand, time required for the egg to emerge as nymphs was relatively similar regardless of the dry period levels. All eggs emerged 14 – 15,5 days after watering.
OVIPOSITION PREFERENCE OF TWO SPECIES OF PSYLLID (CARDIASPINA ALBITEXTURA AND CARDIASPINA RETATOR) ON EUCALYPTUS CAMALDULENSIS LEAVES Nismah .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 5 No. 2 (2005): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.358 KB) | DOI: 10.23960/j.hptt.2567-72

Abstract

Oviposition preference of two species of psyllid (Cardiaspina albitextura and Cardiaspina retator) on Eucalyptus camaldulensis leaves. Study on oviposition preference of two species of psyllid (Cardiaspina albitextura and Cardiaspina retator) on Eucalyptus camaldulensis was conducted in open area around Bundoora Campus, La Trobe Univesity, Australia. The purpose of this study was to examine the oviposision preference of two difference species of psyllid. Seven E. camaldulensis trees occupied by both C. albitextura and C. rotator were chosen. Leaves of E. camaldulesis were sampled in two periods of oviposition. Four E. camaldulensis trees labelled with t1, t2, t3 and t4 were sampled in period of oviposition I and seven trees in period of oviposition II (4 trees were same as trees in period I ( t1, t2, t3, t4 and 3 other trees t5, t6 and t7 ). Thirty randomly selected leaves, occupied by the eggs of both C. albitextura and C. rotator, were taken from each tree. The samples of leaves were brought to laboratory to examine the eggs on each side (adaxial and abaxial) of leaves. The eggs were counted under 10 x magnifications and recorded. Correlation was used in the data analysis and significance of r-value was tested by t test. The result indicated that both species of pest (C. albitextura and C. rotator) chose the same side of leave for oviposition. Both C. albitextur and C. retator prefer the abaxial surface of leaves to oviposit on most trees sampled in the field. The numbers of eggs oviposited by C. albitextur had a positive correlation with the number of eggs oviposited by C. retator. The number of eggs laid by both species depended on period of ovipositon, tree, and side where the eggs were laid.
UJI APLIKASI EKSTRAK KASAR BUAH PINANG, AKAR TUBA, PATAH TULANG, DAN DAUN NIMBA TERHADAP KEONG EMAS (POMACEA SP.) DI RUMAH KACA Lestari Wibowo, Indriyati, dan Solikhin .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 8 No. 1 (2008): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.556 KB) | DOI: 10.23960/j.hptt.1817-22

Abstract

Application test of crude extracts of pinang fruit, tuba root, patah tulang, and neem leaf on golden apple snail (Pomacea sp.) in green house. This research was conducted to evaluate the effect of four botanical crude extracts namely Areca catechu, Derris eliptica, Euphorbia tirucalli and Azadirachta indica on golden apple snails under green house condition. All experiment units were arranged in randomized completely design consisting of some levels of concentration (titer). The result showed that low concentration of the crude extract of A. catechu fruit (0,5 g/l) and crude extracts of D. elliptica root (1 g/l) were very toxic, indicated by all snails tested were died. Mortality of snails tested caused by crude extract of A. indica was 100% at the concentration of 4 g/l, meanwhile crude extract of E. tirucalli was only 84% at a higher concentration of crude extract (8 g/l) occurring 96 hours after application.
IDENTIFIKASI FENOTIPIK GALUR-GALUR KEDELAI TERHADAP KETAHANAN SERANGAN HAMA ULAT GRAYAK (SPODOPTERA LITURA F.) Gatut Wahyu Anggoro Susanto; Moh. Muchlish Adie
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 15 No. 2 (2015): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (93.221 KB) | DOI: 10.23960/j.hptt.215180-187

Abstract

Phenotypic identification of soybean lines against armyworm pest resistance (Spodoptera litura F). This research consisted of two parts which aimed to find out the intensity of damage to the leaves and the influence of soybean on the biological aspect of armyworms. The materials tested were Shr/W-C-60, Aochi/Wil-60, 9837/K-D-8-185, 9837/K-D-3-185-95, W/9837-D- 6-220, 9837/K-D-3-185-82, 9837/W-D-5-211, GI, G100H breeding lines and Wilis varieties. The research was conducted at a Balitkabi screenhouse in February 2011, using randomized block design and each treatment was replicated three times. The planting media were plastic pots (diameter 18 cm) filled with earth, two seeds per pot were planted and intensively raised. When the plants were 27 days old after planting, at each replication consisting of 10 materials, they were covered with gauze cages (2 x 2 x 2 m). Then the plants in each pot was infested with 10 instar I armyworm larvae. The other part of research was carried out in Balitkabi Breeding Improvement Laboratory. For testing purposes, there was a need for a third nodal leaf of soybean aged 27 days after planting in each tested material. The research used a completely randomized design each treatment was replicated three times. One nodal leaf in each material was placed in a petri dish 15 cm in diameter, which was coated with moist filter paper, and this was later called treatment. Each treatment was infested with one instar I armyworm larva. The result of research indicated that an assessment of soybean resistance to armyworms could be made from the density of the trichome and/or the length of the trichome on the leaves. The G100H breeding line was found to be resilient with its characteristics of having dense trichome (25/4 mm2) and long trichome (1.1 mm).
PENGARUH TEKNIK BUDIDAYA TERHADAP INTENSITAS PENYAKIT KARAT DAN PRODUKSI KACANG TANAH (ARACHIS HYPOGAEA L.) Hasanah, Ratna Wylis Arief, dan Junita Barus .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 4 No. 2 (2004): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (55.505 KB) | DOI: 10.23960/j.hptt.24102-105

Abstract

Effect of cultural methods on peanut rust leaf intensity and yield. An important disease of peanut is rust leaf caused by Puccinia arachidis. It ussualy occurs with pock marked diseases. Both decreased yield up to 1,0 ton/ha (50% - 60%) compare potention yield of peanut (1,8 ton/ha). The experiment was conducted at Siraman village, Pekalongan residence, Central Lampung from June to December 2000. It applied two methods: Model A (farmers pattern) and Model B (reccomendation pattern) with three replications and four cooperator farmers. The variable were growth percentage, hight of plant, number of pod, wight of wet pod, weight of dry pod, wight of 100 granules, and leaf rot intensity. The result showed the yield of recomendation pattern better than that of farmer pattern, intensity of attacked rust leaf diseases increased from 4,58% to 27,47% on farmer pattern and increased from 3,54% to 33,55% on recomendatin pattern, Macan variety is succeptible with rust leaf diseases and decreased yield up to 41,67%.
PENGARUH PERLAKUAN BIBIT TERHADAP PERKEMBANGAN PENYAKIT LAYU BAKTERI PADA JAHE (ZINGIBER OFFICINALE) Titik Nur Aeny, Feriansyah, dan Subli Mujim .
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 2 No. 2 (2002): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (86.32 KB) | DOI: 10.23960/j.hptt.2260-64

Abstract

Effect of seedling treatments on development of bacterial wilt disease of ginger (Zingiber officinale). This experiment was aimed to study the effect of seedling treatment with bactericide on incubation period and disease intensity of bacterial wilt caused by Ralstonia solanacearum on ginger (Zingiber officinale). The experiment was conducted from May to November 2001, and the treatments were set as factorial experiment in completely randomised design. The first factor was the level of bactericide concentrations and the second factor was the length of soaking periods. Each treatment consisted of five plants and was replicated three times. Data were analysed with ANOVA and the means were compared with Duncan test. The results of analysis of variance showed that the interaction of bactericide concentrations with soaking periods was not significantly affected the incubation period and the intensity of bacterial wilt disease of ginger. However, those two factors significantly (P < 0.01) affected the incubation period and the intensity of ginger bacterial wilt disease. Separation of the means by Duncan test indicated that the higher the bactericide concentration, the longer the incubation period. On the other hand, the disease intensity was lowered by the higher concentration. The effect of bactericide concentration 4 g/l was not significantly different from that of 6 g/l. The analysis of variance was also showed that the length of soaking period of ginger seedling in bactericide did not affect the incubation period nor the disease intensity.
SKRINING DAN IDENTIFIKASI ISOLAT BAKTERI ENDOFIT UNTUK MENGENDALIKAN PENYAKIT HAWAR DAUN BAKTERI PADA BAWANG MERAH Zurai Resti; Trimurti Habazar; Deddi Prima Putra; . Nasrun
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 13 No. 2 (2013): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (135.607 KB) | DOI: 10.23960/j.hptt.213167-178

Abstract

Screening and identification of endophytic bacteria to control bacterial leaf blight disease on Shallot. The experiment was conducted in Laboratory and Green House, from January to June 2012. Laboratory experiment consisted of three steps: (1) isolation of endophytic bacteria from healthy onion roots, (2)In planta /screening of endophytic isolates capable of reducing bacterial leaf blight disease, and (3) molecular identification of potential endophytic isolates. Treatments of in planta test were arranged in Completely Randomized Design. Collected isolates were tested for their capability in controlling bacterial leaf blight disease on shallot. The variables observed were disease incidence, disease severity, and shallot yield. The results showed that out of 82 isolates successfully isolated, 56 isolates (68.29%) were Gram positive, and 26 isolate (31.71%) were Gram negative. All isolates were HR negative and pathogenicity negative. Six endophytic isolates showed better performance in inducing resistance and increasing onion yield. Based on 16S rRNA sequence the six isolates were Bacillus cereus strain P14 , Bacillus cereus strain Se07, Bacillus sp H1, Bacillus sp SJ1 and Serratia marcescens strain PPM4.
INDUKSI KETAHANAN TANAMAN JAHE TERHADAP PENYAKIT LAYU Ralstonia solanacearum RAS 4 MENGGUNAKAN FUNGI MIKORIZA ARBUSKULAR (FMA) INDIGENUS Netty Suharti; Trimurti Habazar; Nasril Nasir; . Dachryanus; . Jamsari
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 11 No. 1 (2011): MARET, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.073 KB) | DOI: 10.23960/j.hptt.111102-111

Abstract

Bacterial wilt disease caused by Ralstonia solanacearum race 4 is a yield-limiting disease of ginger. A study to investigate the ability of indigenous Arbuscular Mycorrhizae Fungi (AMF) to reduce bacteria wilt disease has been done. This research was designed by using Randomized Block Design (RBD) at greenhouse experiments, using eight AMF isolates with six replication. As supporting data, population R. solanacearum race 4 after treatments was assesed. The results showed that aplication of indigenous AMF to ginger rhizome as seed treatment dicreased disease incidence, support ginger growth and production such as the seedling formation 150%, plant height 98.6%, the number of leaf 115,7%. As the result yield of ginger rhizome increased by 400 % and phyloplan 598,3%, respectively, compared to the control.
EFIKASI PESTISIDA NABATI DARI TANAMAN SELA JAMBU METE DAN JAMUR ENTOMOPATOGEN SYNNEMATIUM SP. UNTUK MENGENDALIKAN WERENG PUCUK METE (SANURUS INDECORA) Rahayu Mallarangeng; Andi Nurmas; Asniah Asniah
Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 12 No. 2 (2012): SEPTEMBER, JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA
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Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (68.501 KB) | DOI: 10.23960/j.hptt.212146-152

Abstract

Cashew plant is the one of export commodity that has high economic value compared to the other commodities. Sanurus indecora is one of major pest in cashew, causing decreased quality and quantity of products. The aims of this experiments were to the develop integrated pest management of S. indecora, by: (a) utilization and enviroment manipulation of cashew plantation using intercropping plants to control S. indicora, (b) utilization of natural enemies, specially Synnematium sp., to control S. indecora. The experiment consisted of : (1) the effect of intercropping plant extracts as botanical pesticide on S. indecora mortality at laboratory, (2) the effect of medium substances on Synnematium sp. growth, as well as the effect of concentration of Synnematium sp. suspension on S. indecora mortality at laboratory. Botanical pesticides that were used in this experiment was made from extraction of intercropping plants: extraction of sesame seed, of cassava leaves and pineapple fruit. All experiments were arranged in complete randomized design. The results showed that 0.5 mg/10 mL water of sesame seed extract, 0.1 mg/10 mL water of cassava leaves extract and 2.0 mg/10 mL pineapple fruit extract concentrations resulted average 76.67%, 66.67%, and 63.33% S. indecora mortalities at 24 hours after application, respectively. The second experiment showed that the growth medium containing rice straw resulted the best growth of Synnematium sp. colonies than the other treatments and 0.1 g/mL water of Synnematium sp. mycelium resulted the high mortality (57,5%) at 5 days after application.

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